.container {
    z-index: 10;
    position: fixed;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    z-index: 40;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100vw;
    height: 100px;
    border-top: 2px solid #dddddd;
    background: #ffffff;
}

.container::after {
    content: '';
    display: block;
    height: 0;
    overflow: hidden;
    clear: both;
}

.item {
    /* width: 180px;
    height: 100px;    */
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-flex: 1;
        -ms-flex: 1;
            flex: 1;
}